I bought this set due to my recent relocation from New York to Irvine, California. I've heard that the water in California is hard, unlike in New York. I got curious and bought these devices to test the water at home. To my surprise the water in the bill was almost 250ppm. I also checked that my B**** was doing the job and found that one filter cycle reduced the ppm by 20-30ppm meaning I would have to filter at least 10 times to get it to safe levels. beverage stand. I also tested distilled water and it showed 0ppm (last photos are white unit). When I found out about this, I took the blue (smaller device) with me on my trip to San Francisco and tested my friend's Taba water. It showed 30 parts per million (last and second photo). I would recommend it to people like me who are sensitive to water quality.
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